I take a deep breath, turn to him and introduce myself. I explain how I have his textbook and have read at least some of his papers and explained that I just wanted to say what an honor it is to be working with him. He smiled, looked at me and said
Yes, we can talk about volume occupied by air in Styrofoam, or for more advanced kids even density as the same mass occupies a smaller volume and therefore is more dense, but it’s also just fun to see the Styrofoam dissolve. Asking the simple question of how so much Styrofoam can fit into such a small volume is the first step of the scientific method, getting students to ask why and conjecture as to possible reasons, and a great introduction to Science.
If, indeed, you are out of sanitizers, what can you use? As a chemist, I think I can help you out with some common household products.
The problem with disinfecting products is that they all are based on one simple fact; we heal and bacteria do not.
Happy National Pi Day. Yup, pi, 3.14159265359... It’s the circumference distance around the edge) of a circle with a diameter (the distance across) of one.
as I watch the news evolve of the Coronavirus, it strikes me as very similar. Please don’t get me wrong; I’m not suggesting that the Coronavirus isn’t potentially deadly, nor am I suggesting that news of it should be repressed. But even today a friend of mine posted a meme on her social media page that read something along the lines of having survived the dreaded bird flu, SARS, and several others she’s not so concerned about the Coronavirus. Another friend posted a meme that simply read, “Don’t Panic and Wash Your Hands”.
The first leap year was 1752. This same year, there was a weak and a half with no crime, no death, no disease, nothing bad happening at all. Well, nothing good happened either, because the Gregorian calendar was moved ahead by 11 days. They were simply lost in time.